Seymour is a town in New Haven County on the Waterbury Branch of Metro-North’s New Haven Line.

Southbury is a town in western New Haven County.

Wallingford is a town in New Haven County that is connected to the CT Rail Hartford Line.

Waterbury is a city on the Naugatuck River with a Metro-North Railroad station.

West Haven is a city on Long Island Sound with a Metro-North Railroad station.

Wolcott is a town in northern New Haven County.

Woodbridge is a small town in central New Haven County.